12101331031 has 2 divisors, whose sum is σ = 12101331032. Its totient is φ = 12101331030.

The previous prime is 12101330993. The next prime is 12101331103. The reversal of 12101331031 is 13013310121.

12101331031 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

Together with next prime (12101331103) it forms an Ormiston pair, because they use the same digits, order apart.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 12101331031 - 2²³ = 12092942423 is a prime.

It is a super-2 number, since 2×12101331031² (a number of 21 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 12101330996 and 12101331014.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (12101331331) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6050665515 + 6050665516.

It is an arithmetic number, because the mean of its divisors is an integer number (6050665516).

Almost surely, 2^12101331031 is an apocalyptic number.

12101331031 is a deficient number, since it is larger than the sum of its proper divisors (1).

12101331031 is an equidigital number, since it uses as much as digits as its factorization.

12101331031 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 54, while the sum is 16.

Adding to 12101331031 its reverse (13013310121), we get a palindrome (25114641152).

The spelling of 12101331031 in words is "twelve billion, one hundred one million, three hundred thirty-one thousand, thirty-one".